Wan Tuo is a traditional snack in Chengde with a long history. It is mainly made of buckwheat noodles. When eating, cut the prepared Wan Tuo into triangles, fry until golden, and then pour sesame sauce, garlic sauce, vinegar, Salt and other seasonings can be eaten. The edges will be a little crispy, and the inside is very chewy. The seasoning will not be greasy, and it is very delicious.